CN201853822U - Corrosion-resistant grounding grid for high-voltage cable intermediate connector well - Google Patents
Corrosion-resistant grounding grid for high-voltage cable intermediate connector well Download PDFInfo
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- CN201853822U CN201853822U CN2010205303667U CN201020530366U CN201853822U CN 201853822 U CN201853822 U CN 201853822U CN 2010205303667 U CN2010205303667 U CN 2010205303667U CN 201020530366 U CN201020530366 U CN 201020530366U CN 201853822 U CN201853822 U CN 201853822U
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- corrosion
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- resistant
- frame
- metallic conductor
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Abstract
The utility model discloses a corrosion-resistant grounding grid for a high-voltage cable intermediate connector well. A conductive lead-out line and a conductive grounding electrode are arranged on a grid frame; the grid frame consists of an annular frame and a grid-shaped intermediate frame connected with each other; the annular frame is formed by annularly connecting metal conductors, and broken ends thereof are inserted in pipe connectors and are fixed by welding; the grid-shaped intermediate frame consists of metal conductors cross-connected with each other, and the broken ends at the cross points of the metal conductors are inserted in the pipe joints and are fixed by welding; the grid-shaped intermediate frame and the annular frame are fixed by insertion through the pipe joints and welding; the metal conductor consists of a steel core and a corrosion-resistant surface plating layer; and the steel core has at least two longitudinal grooves on the surface. The metal conductor with the composite structure consisting of the steel core and the corrosion-resistant surface plating layer has improved corrosion resistance, and can save the cost and prolong the service life to 10 to 15 years, thereby greatly ensuring the safe and reliable operation of the grid.
Description
One, technical field: the utility model relates to a kind of cable grounding net, particularly relates to the corrosion-resistant ground network of a kind of high-tension cable transition joint well.
Two. background technology: along with rapid economy development, people more and more pay attention to the living environment of self, the application of various electrical equipment is more and more wider, thereby network load increases year by year, in addition, in order to improve the degree of beautifying in city, the overhead transmission line in city is progressively replaced by underground cable, forms concealed wire and arranges.In order to guarantee cable running safety; avoid harm that cable is struck by lightning and the people's life safety in the protection circuit zone; high-tension cable all will be provided with earthing device; but in the operation maintenance of cable, find; when the high-tension cable in the bustling downtown area that is laid in is carried out regular ground connection excavation and measures junction resistance; because it is many to examine the government department of agreeing excavation; the time of examining is long; and digging process to influence the city attractive in appearance; also may cause road traffic to block; the feasible defective that can not in time find ground network threatens for the safe operation of electrical network, also causes the certain social economic loss simultaneously.
Three. the utility model content:
Technical problem to be solved in the utility model is: overcome the deficiencies in the prior art, provide a kind of simple in structure, grounding safety is reliable, the corrosion-resistant and corrosion-resistant ground network of high-tension cable transition joint well of saving cost.
The technical solution of the utility model is: the corrosion-resistant ground network of a kind of high-tension cable transition joint well, contain rack, described rack is provided with the conduction lead-out wire and the conductive earthing utmost point, described rack is formed by connecting by annular peripheral frame and latticed central frame, described annular peripheral frame by metallic conductor around being formed by connecting, its broken end place is plugged in the pipe joint and welding is fixed, described latticed central frame is formed by the metallic conductor interconnection, the broken end of metallic conductor infall is plugged in the pipe joint and welding is fixed, and described latticed central frame and described annular peripheral frame are pegged graft by pipe joint and welded fixing; Described metallic conductor is made of steel core and corrosion-resistant surface coating.
Described corrosion-resistant surface coating is stainless steel coating or copper coating.Described steel core surface is provided with longitudinal fluting.Described longitudinal fluting has two at least, and is uniformly distributed along the circumference.
The cross sectional shape of described metallic conductor is circle or rectangle; Described pipe joint is two pass joints, or is three-way connection, or is geneva cross.
The beneficial effects of the utility model are:
1, the utility model metallic conductor adopts composite structure, constitute by steel core and corrosion-resistant surface coating, so both improved the corrosion resistance of metallic conductor, save cost again, can reach 10-15 its useful life, substantially satisfy the requirement of substation operation time, guaranteed the safe and reliable operation of electrical network greatly.
2, the utility model is made of annular peripheral frame and latticed central frame, and its broken end place adopts elbow, three-way connection or geneva cross to peg graft, and welding is fixing, is connected firmly, and ground connection is effective.
3, the utility model is chosen circle or rectangle metallic conductor making ground network according to the voltage height and the diameter of cable, and amount just is suitable for, and controls cost.
4, the utility model steel core surface is provided with longitudinal fluting, and longitudinal fluting is uniformly distributed along the circumference, and has improved the bonding strength of steel core and coating, has prolonged the useful life of metallic conductor.
5, the utility model is simple in structure, grounding safety is reliable, corrosion-resistant and saving cost, has good economic benefit after the popularization.
Four. description of drawings:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the cross sectional shape of metallic conductor among Fig. 1.
Five. embodiment:
Embodiment: referring to Fig. 1-Fig. 2, among the figure, 1-metallic conductor, 2-pipe joint, the 3-conductive earthing utmost point, 4-conduct electricity lead-out wire, 5-corrosion-resistant surface coating, 6-steel core.
The corrosion-resistant ground network of high-tension cable transition joint well contains rack, rack is provided with the conduction lead-out wire 4 and the conductive earthing utmost point 3, conduction lead-out wire 4 is connected with high-tension cable, the conductive earthing utmost point 3 contacts with the earth, rack is formed by connecting by annular peripheral frame and latticed central frame, annular peripheral frame by metallic conductor 1 around being formed by connecting, its broken end place is plugged in the pipe joint 2 and welding is fixed, latticed central frame is formed by metallic conductor 1 interconnection, the broken end of metallic conductor 1 infall is plugged in the pipe joint 2 and welding is fixed, and latticed central frame and annular peripheral frame are fixing by pipe joint 2 grafting and welding.Metallic conductor 1 is made of steel core 6 and corrosion-resistant surface coating 5.
Corrosion-resistant surface coating 5 is stainless steel coating or copper coating, determines as required.Steel core 6 surfaces are provided with longitudinal fluting.Longitudinal fluting has two at least, and is uniformly distributed along the circumference, to improve the bonding strength of steel core 6 and corrosion-resistant surface coating 5.
The cross sectional shape of metallic conductor 1 is circle or rectangle, determines as required.Pipe joint 2 is two pass joints, or is three-way connection, or is geneva cross, and it specifically is provided with referring to Fig. 1, does not have two pass joints among the figure, according to the position of broken end, also can adopt.
Claims (5)
1. corrosion-resistant ground network of high-tension cable transition joint well, contain rack, described rack is provided with the conduction lead-out wire and the conductive earthing utmost point, it is characterized in that: described rack is formed by connecting by annular peripheral frame and latticed central frame, described annular peripheral frame by metallic conductor around being formed by connecting, its broken end place is plugged in the pipe joint and welding is fixed, described latticed central frame is formed by the metallic conductor interconnection, the broken end of metallic conductor infall is plugged in the pipe joint and welding is fixed, and described latticed central frame and described annular peripheral frame are pegged graft by pipe joint and welded fixing; Described metallic conductor is made of steel core and corrosion-resistant surface coating.
2. the corrosion-resistant ground network of high-tension cable transition joint well according to claim 1, it is characterized in that: described corrosion-resistant surface coating is stainless steel coating or copper coating.
3. the corrosion-resistant ground network of high-tension cable transition joint well according to claim 2, it is characterized in that: described steel core surface is provided with longitudinal fluting.
4. the corrosion-resistant ground network of high-tension cable transition joint well according to claim 3, it is characterized in that: described longitudinal fluting has two at least, and is uniformly distributed along the circumference.
5. according to the corrosion-resistant ground network of each described high-tension cable transition joint well of claim 1-4, it is characterized in that: the cross sectional shape of described metallic conductor is circle or rectangle; Described pipe joint is two pass joints, or is three-way connection, or is geneva cross.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205303667U CN201853822U (en) | 2010-09-16 | 2010-09-16 | Corrosion-resistant grounding grid for high-voltage cable intermediate connector well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205303667U CN201853822U (en) | 2010-09-16 | 2010-09-16 | Corrosion-resistant grounding grid for high-voltage cable intermediate connector well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201853822U true CN201853822U (en) | 2011-06-01 |
Family
ID=44096204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205303667U Expired - Fee Related CN201853822U (en) | 2010-09-16 | 2010-09-16 | Corrosion-resistant grounding grid for high-voltage cable intermediate connector well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201853822U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103618154A (en) * | 2013-11-14 | 2014-03-05 | 国家电网公司 | Anti-corrosion grounding device for electric transmission line tower and manufacturing method thereof |
-
2010
- 2010-09-16 CN CN2010205303667U patent/CN201853822U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103618154A (en) * | 2013-11-14 | 2014-03-05 | 国家电网公司 | Anti-corrosion grounding device for electric transmission line tower and manufacturing method thereof |
| CN103618154B (en) * | 2013-11-14 | 2016-08-31 | 国家电网公司 | A kind of for electric power line pole tower corrosion-resisting grounding device and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110601 Termination date: 20120916 |